Finite time-delay estimation for soft sensors modelling Hammerstein-Wiener structures

被引：0
|
作者：
Graziani, Salvatore [1 ]
Xibilia, Maria Gabriella [2 ]
机构：
[1] DIEEI, Dipartimento Ingn Elettr Elettron & Informat, Catania, Italy
[2] Dipartimento Ingn, Messina, Italy
来源：
2023 IEEE INTERNATIONAL INSTRUMENTATION AND MEASUREMENT TECHNOLOGY CONFERENCE, I2MTC | 2023年
关键词：
soft sensors; finite time-delay; dynamic nonlinear models; Hammerstein-Wiener models; system identification; IDENTIFICATION; DESIGN;
D O I：
10.1109/I2MTC53148.2023.10175976
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
Finite time-delay estimation is a relevant aspect of soft sensor design for nonlinear processes. The authors previously proposed a procedure for the estimation of the time delay from experimental data. The procedure was validated for Wiener nonlinear models. Here, the analysis is extended to the case of Wiener-Hammerstein structures. Three case studies, characterized by different nonlinearities have been designed. The effect of the nonlinearity nature on the procedure behavior was investigated. Data for the cases studies have been extracted from two industrial processes.
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页数：5
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